Repair Tips
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Results: 87709
Results: 87709
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| CCE |
LCD STILE D42
|
Turning off backlight | Make a palliative (at your own risk) | Remove the con1 plate and place an 82k resistor between rj5 and z2 (on the side that only has one terminal) | Eletrônica Cecé, Brumadinho MG |
| BEHRINGER |
XENIX 1002 FX
|
Treble and mids channel 01 do not work | C 39 12nf open | I replaced the capacitor and it solved it. | Gilberto Gteck |
| LG |
42PW350
|
Image all grainy | Resistor on the board ysus r424 or 426,470 man next to the transistor q706 under the board | ||
| SAMSUNG |
QN55Q70AAG
NAO SEI |
Dead | I changed the coupler photo I changed the oscillator, the same thing happened, the defect was in the diode in the dn 811 power supply, short | ELETRONICA DJ | |
| SOM SONY |
MHC- TODOS OS MODELOS
|
Access panel no longer turns on | Leaky front keys | Replace all the keys, problem resolved. | Fernando técnico |
| INTELBRAS |
MHDX 3004-C
|
No image on camera channel 4 | Zener diode of the respective channel shorted | Changing it, removing it from another board | LEANDRO VOSS |
| AOC |
LE24D1440/20
|
Stop | Done q7004 enter 5 v e exit 5 | Cabeça | |
| AIWA |
AW42B4SM
|
Increasing the volume alone | Processor heating up abnormally, if you pour isopropyl alcohol on the processor and cool it the defect normalizes | Replacing the processor or board | LEANDRO VOSS |
| SONY |
GT 3D
|
Entering protect 3 | 1 remove the jack from the internal speaker, even though it beeps on the multimeter, it may be shorted or torn, remove it and run to the hug, just have it reconditioned, it will be great | Marck eletronica sao carlos | |
| SPARK USINA |
120A PLUS+
|
Without current and when loading, the 10r resistor next to the output rectifier diodes burns. The track may also be broken in the output adjustment stage. | Output rectifier diode with broken terminals inside the encapsulation or open, remove from the board and test outside | Replace the defective diodes and the 10r resistor, or recover the track if applicable. | GETEC eletrônica |
| AOC |
D42H831
|
Red LED, when turned on, flashes blue and returns to standby | 35v-1000 bloated capacitors | Eletrônica Jambeiro | |
| LG |
50PT250
|
Turn on the image appears and disappears only the sound | Remove the 2-man and 10-man resistors, sand the terminals and resolder | Cabeça | |
| PANASONIC |
TC20A04
BT4HA006397 |
Banner left side of the screen | D 558.replace 1n4148 | Eduardo Leal | |
| PANASONIC |
TC20A04
BT4HA006397 |
Dark image | R557 | Eduardo leal | |
| AOC |
LC42D1320
|
TV does not increase the volume on the keyboard, other keys work normally, including on the remote control | I initially tested the keyboard, but it wasn't the problem. I found 2 regulators on the main board and 3v3, one with a 3v4 output and one with a 4v4 output | I initially replaced the one that was most out of voltage regulation, but it still didn't solve the problem, I then replaced the other one and it worked normally. | Lucas |
| PHILCO |
PH 21B
|
Alloy oscillates but tsound is no image without atla and killing horizontal deflection and low RGB voltage giving 100v | Cap c450 of 680pf close to the flyback and just change and run for the hug | eletrõnica sto anotnio rj bahia | |
| LG |
42PG20R
|
Turns on for a few minutes, loses sound and turns off | Change the capacitors on the main board. c879,875 of 10mf/10v and capacitors 1110,1118,1128 of 100mf/16v | Flavio | |
| TOSHIBA |
32L1600
|
Normal menu works for about 30 seconds then menu locks and turns off. | Update via pendrive | To update | Hndrsn |
| LG |
32LM627
|
Control doesn't work | Remove capacitor c4010 right next to the lvds connector tracks on the main board | Eletrônica Mirage | |
| LENOXX |
CA-310A
|
USB does not work and does not change functions | Oxidation caused by glue (sealant) on the xtal resonator | Replace the xtal resonator (12mhz) and remove the glue | leitemarcelus |